Recent work on education, based on sociocultural principles, suggest an expansion of the traditional boundaries of learning research that takes into account the multiple spaces and life trajectories that make up experience across our life-worlds. This article focuses specifically on young people’s significant learning experiences in order to illustrate empirically what learning means - i.e. where, with whom and how - in the ‘new ecology of learning’ based on the informalization and informationalization of learning in XXI century. 43 significant learning experiences were identified from four young students who recorded their specific learning experiences during a week by means of a significant learning experiences journal and photographs they took themselves. The results show the presence of informal, everyday, spontaneous activities among the significant learning experiences detected and the use of digital technologies as learning resources; they also reveal the assistance of friends and family in the learning process. In conclusion, this study illustrates how young people in XXI century are involved in a whole range of different activities across different sites and over time